12 
SÉANCE DU 8 NOVEMBRE 1858 . 
Tampa bay, in-8, h2 p., 1 carte. New-York, 1856, chez 
M.-B. Wynkop, Book et Job. 
De la part de M. Jos. G.-G. Kennedy, History and Statistics 
of the State of Maryland, according to the returns of the 
seventh census of the United States , 1850, in-f., 10& p. Was¬ 
hington, 1852, chez Gideon et C e . 
De la part de M. W. Kitchell : 
1° Second annual report on the geological survey of the 
State of New-Jersey, for the year 1856, in-8, 218 p., 2 cartes. 
Trenton, 1856. 
2° Third annual report of the geological survey of the state 
New-Jersey, for theyear 1856, in-8, 79 p. Trenton, 1857. 
3° Geology ofthe County of Cape May , state of New- Jersey 9 
in-8, 211 p., 1 carte. Trenton, 1857. 
De la part de M. Isaac Lea : 
1° Rectification of M. T .-A. Conrad’s Synopsis of family 
of Naiades ofNorth America (from the Proc, of the Ac . of nat. 
sc. of Philadelphia, febr. 1853), in-8, 16 p. 
2° Vxrious extracts from the Proc. of the same Ac., 1856 
and 1847, in-8, 24 p. 
3° Observations on the Genus Unio , together with descrip¬ 
tions of new species in the family Unionidœ (from the Joarn. 
of Ac. of nat. sc. of Philadelphia, vol. VI, part 1, 1857), 
in-4, 41 p., 13 pl. 
I\° Fossil Foot-Marks in the red sandstone of Pottsville 
(Pennsylvania ), grand in-f., 1 pl. Philadelphia, 1855, chez 
T. K. et P.-G. Collins. 
De la part deM. Joseph Leidy, Notice of remains of extinct 
'vertebrata , from the valley of the Niobrara river (from the 
Proc, of the Ac. of nat. sc. of Philadelphia , march 1858), 
in-8, p. 20-29. 
De la part de MM. F.-B. Meek and F.-V. Hayden : 
1" Description ofthe new species of A cephala, Gasteropoda 
and Cephalopoda , from the cretaceous formations of Nebraska 
ter ri tory, in-8, p. 63-87. 
2° Descriptions of new species of Acephala and Gasteropoda , 
from the tertiary formations of Nebraska territoiy , etc., in-8, 
p. 111-126. 
